Firecom 3000B Administrator Guide

A Division of Sonetics Corporation

3000B

Fire Apparatus

Intercom System

INSTALLATION &

OPERATOR'S

ANUAL

Rev.3

3000B

TABLE OF CONTENTSTABLE OF CONTENTS

TABLE OF CONTENTS

Intercom 3000B shown with

optional Dual Radio Interface

Optional “Behind-the-Helmet” Headset

CO PONENT IDENTIFICATION ..................................................... 1

SYSTE DESCRIPTION ................................................................. 2

PRE-INSTALLATION ........................................................................ 2

Determine System ounting Locations

INSTALLATION

odular Cables ......................................................................... 3

Interface Connections ............................................................... 3

Intercom Unit ............................................................................ 3

Headset odule/H -1 .............................................................. 5

TYPICAL CONFIGURATION ............................................................ 4

OPERATION

Headsets .................................................................................. 5

Headset Adjustments................................................................ 5

Headset Volume ....................................................................... 6

Intercom Unit ............................................................................ 6

Digital essage Recorder (D RT ) .......................................... 6

SYSTE SETUP & TEST ................................................................ 6

TROUBLESHOOTING ..................................................................... 7

TECHNICAL DATA

Installation Requirements ......................................................... 8

Alternator Whine and other Distracting Noises ......................... 9

Technical Notes ........................................................................ 9

SPECIFICATIONS ...........................................................................10

Warranty ..................................................................................10

OPTIONS and ACCESSORIES....................................................... 11

EXTENDED TROUBLESHOOTING ................................................12

The information in this document is subject to change without notice.

No part of this document may be copied or reproduced in any form without

prior written consent of Sonetics Corporation.

Sonetics Corporation

7340 SW Durham Rd. • Portland, Oregon 97224

1-800/527-0555 • 503/684-6647

www.firecom.com

[email protected]

Please Read this Manual CompletelyPlease Read this Manual Completely

Please Read this Manual Completely

Before Starting nstallationBefore Starting nstallation

Before Starting nstallation

3000B

odular Cable and Plug

Headset odule showing headset modular

cable input from intercom

Radio Transmit Headset showing red

radio transmit button

at top of ear dome. Jumpseat showing black

intercom transmit button

at top of ear dome

COMPONENT COMPONENT

COMPONENT dentificationdentification

dentificationdentification

dentification

3000B

OVEROVER

OVERV EWV EW

V EWV EW

V EW

The FIRECO system is designed specifically for Fire

Apparatus use. It improves voice communications be-

tween apparatus personnel and provides hearing pro-

tection from high noise levels. It also augments normal

radio communications by interfacing directly to the ap-

paratus radio(s). Six headset connections are provided,

and three have radio transmit capabilities.

NSTNST

NSTALLAALLA

ALLAALLA

ALLAT ON OF TH S SYSTEM S MODULAR!T ON OF TH S SYSTEM S MODULAR!

T ON OF TH S SYSTEM S MODULAR!T ON OF TH S SYSTEM S MODULAR!

T ON OF TH S SYSTEM S MODULAR!

NO wire tangles...NO soldering..EASY to followNO wire tangles...NO soldering..EASY to follow

NO wire tangles...NO soldering..EASY to follow

step-by-step instructionsstep-by-step instructions

step-by-step instructions

VO CE VO CE

VO CE ACT VACT V

ACT VACT V

ACT VAA

ATED with Noise CancellationTED with Noise Cancellation

TED with Noise CancellationTED with Noise Cancellation

TED with Noise Cancellation

The Intercom 3000B includes a state-of-the-art squelch

circuit which cancels background noise until you speak.

This circuit quickly activates to include the first spoken

syllable. In addition, the audio signal is processed to

reduce wind, siren, horn, and engine noise. ic muffs

are included with headsets to aid in wind noise reduc-

tion.

COMPCOMP

COMPAA

AT B L TYT B L TY

T B L TYT B L TY

T B L TY

The Intercom 3000B is compatible with all UHF/VHF Fire

service radios, including 24 volt applications.

CONT NUOUS RAD O MON TCONT NUOUS RAD O MON T

CONT NUOUS RAD O MON TOR NGOR NG

OR NGOR NG

OR NG

All personnel on the intercom will hear the radio traffic

regardless of other intercom activity.

NTERCOM CONTROL FUNCT ONSNTERCOM CONTROL FUNCT ONS

NTERCOM CONTROL FUNCT ONS

Squelch:

Adjusts for a wide range of background

noise levels.

Volume Control:

Easily adjusts to varying micro-

phone/headset sensitivities with ample reserve

volume. Volume control does not affect appara-

tus radio volume.

DUAL-RAD O NTERFDUAL-RAD O NTERF

DUAL-RAD O NTERFACEACE

ACEACE

ACE

If you need to interface the intercom to more than one

radio in a vehicle, FIRECO can provide a solution

through our Dual Radio Interface. For more information,

please contact our technical staff at:

1-800/527-0555

Digital Message Recorder Digital Message Recorder

Digital Message Recorder (D RT )

The “Digital essage Recorder”, a one megabit voice

memory card, provides up to 32 seconds of voice re-

cording. You can record radio or intercom communica-

tions and play them back immediately. FIRECO tech-

nology provides you with unlimited instantaneous replays

of incident address, apparatus assignments, and other

critical information.

SYSTEM DESCR PT ONSYSTEM DESCR PT ON

SYSTEM DESCR PT ON

DETERM NE SYSTEM MOUNT NG LOCADETERM NE SYSTEM MOUNT NG LOCA

DETERM NE SYSTEM MOUNT NG LOCAT ONST ONS

T ONST ONS

T ONS

When locating the system installation, consider areas

which will provide ease of operation. (See illustrated

examples of typical installations on page 4.)

CAUT ON CAUT ON

CAUT ON

When mounting the system components, verify that

drilling through surfaces ill not cause damage to

adjacent iring or equipment.

When selecting your intercom unit location, be sure to

leave at least three inches behind it for cable clearance.

The mounting surface should be flat, fixed, and without

excessive vibration. The surfaces should be able to ac-

cept #8 sheet metal screws.

The Intercom 3000B is provided with a mounting bracket

for dashboard, center console, or overhead mounting.

The mounting bracket slots permit limited rotation of the

Intercom Unit.

Behind-the-head or over-the-shoulder mounting of the

headset modules is usually most convenient. Locate a

flat area that permits surface mounting for each module.

It will be useful to mount a hook or hanger nearby for

storage when the headset is not in use.

PRE- NSTPRE- NST

PRE- NSTALLAALLA

ALLAALLA

ALLAT ONT ON

T ONT ON

T ON

3 inches

INTERCOM

UNIT

25-Pin

Connector

Modular

Cables

Intercom Rear Spacing Diagram

TOP VIEW

The FIRECO Digital

essage Recorder

Board is a solid-state

device with no moving

parts.

3000B

If you wish to have an uncovered plug-in module near a

pump panel, for example, FIRECO has a waterproof en-

closure available. The modular connectors used in the

system are gold-plated to resist corrosion. The cabling

may be installed on the surface, or you may choose to hide

it behind panels, headliners, door sills, etc. Protect any

cabling run through bulkheads or other sheet metal by use

of grommeted holes to prevent damage to the cables.

Prior to securing the system components in place, verify

the layout for:

• Control accessibility

• Headset storage

• Headset cable reach

• Interconnect cable length

• Ease of installation

Stow any excess cable length behind panels or other out-

of-the-way locations. Additional interconnect cables may

be ordered from FIRECO if needed.

NOTENOTE

NOTE

Headset modules may be daisy-chained to the same

intercom connection, but multiple headsets on one

chain may reduce the received audio. This permits

multiple location use of each intercom channel.

NSTNST

NSTALLAALLA

ALLAALLA

ALLAT ONT ON

T ONT ON

T ON

W W

WARN NGARN NG

ARN NGARN NG

ARN NG

To avoid damage or injury, al ays turn OFF the

apparatus master s itch before orking on circuitry.

MODULAR CABLESMODULAR CABLES

MODULAR CABLES

Cables are fabricated at the factory in set lengths. Do

not cut these cables unless you are familiar with phone

plug crimping techniques and have the proper tools.

Additional cables may be ordered from FIRECO if

needed.

NOTENOTE

NOTE

Read the Pre-Installation section before attempting

installation. All cables should be installed prior to final

placement of other system components. Be sure to have

all system component locations pre-selected and

marked.

Observe that there are three INTERCO /TRANS IT

ports and three INTERCO ONLY ports at the rear of

the Intercom 3000B (see photo). In a typical installation

this would allow the Officer, Engineer/Driver, and Pump

Panel positions to be connected to the INTERCO /

TRANS IT side and the jumpseat positions to the IN-

TERCO ONLY side.

NTERFNTERF

NTERFACE CONNECT ONACE CONNECT ON

ACE CONNECT ONACE CONNECT ON

ACE CONNECT ON

The Intercom 3000B includes a 25-pin connector and

interface cable for connection to the fire apparatus. Con-

nections to power and to the radio are made through this

cable. We recommend that these connections be made

by a qualified radio technician.

NOTENOTE

NOTE

See the section on Technical Information for specific

details on ire and pin locations and assignments

NTERCOM UN TNTERCOM UN T

NTERCOM UN T

After selecting your mounting location, mark where you

want to set the mounting bracket.

NOTENOTE

NOTE

Be sure to observe the location criteria mentioned in

the section on PRE-INSTALLATION.

1. Remove the mounting bracket and set the intercom

unit aside

2. Set the mounting bracket in the place marked and

mark the location for the mounting screw holes.

3. Drill two holes for the #8 sheet metal screws.

4. ount the bracket.

5. Attach the intercom to the mounting bracket and in-

stall all the cables. Be sure to tighten the screws on

the 25-pin interface connector.

Sheet Metal

Screws

Intercom

Bracket

Intercom ounting Bracket

3000B

TYP CAL CONF GURA-TYP CAL CONF GURA-

TYP CAL CONF GURA-

Tailboard

(Apparatus

Backup

Assist)

Pump Panel

Officer

& Driver

Jump

Seat(s)

Dashboard Installation

TOP VIEW OF APPARATUS CAB TOP VIEW OF APPARATUS CAB

Overhead Installation

Pump

Panel

Pump Panel

Driver Officer

Firefighter

Officer

Driver

Headset

Jack Module

Intercom

Firefighter

3000B

HEADSET MODULEHEADSET MODULE

HEADSET MODULE

Note that the modular cables plug into each module on

the side below the label. The connector on the opposite

side is for daisy-chaining. Headset modules may be

daisy-chained to the same intercom connection, but only

one headset may be used at a time on each chain.

Do a final location check to ensure that the headset cable

lengths and mounting clearances are adequate before

securing the modules.

Reminder: Reminder:

Reminder: HM-1 Headset Modules should be placed in

the cab ith the follo ing in mind.

→→

→

Locate the modules close enough to the side window

to enable the driver and engineer to have an unobstructed

view out the windows without putting a strain on the

cables.

→→

→

If possible, locate the modules so that the jacks face

in the direction of exit from the cab. This can prevent

damage if the headset wearer inadvertently forgets to

remove the headset when exiting.

1. ark the desired location of the module mounting

holes.

2. Drill two holes and secure the modules using two #8

sheet metal screws (provided).

3. Plug unused, exposed connections with silicone

sealant to avoid problems from salt air or excessive

moisture.

Headset modules mounted in exposed locations such

as a pump panel should be contained in a water proof

enclosure. Waterproof enclosures containing headset

modules with cables attacked are available from Fire-

com.

Label

Plug Socket

Plug

Cable from

Intercom

Headset

Jacks

Mounting

Hole(2)

Plug Socket for Daisy Chain

Headset odule

TOP VIEW

OPERAOPERA

OPERAT ONT ON

T ONT ON

T ON

JumpseatJumpseat

Jumpseat

Radio TRadio T

Radio Transmitransmit

ransmitransmit

ransmit

Jumpseat Headset:Jumpseat Headset:

Jumpseat Headset: This headset receives both inter-

com and radio communications at all times, but it is not

radio transmit capable. It is typically located at the

jumpseat position. Due to the higher ambient noise level

at this location (engine noise, etc.) it is not voice-acti-

vated. When you wish to speak over the intercom, de-

press and hold the BLACK BLACK

BLACK BLACK

BLACK PTT button.

HEADSET ADJUSTMENTSHEADSET ADJUSTMENTS

HEADSET ADJUSTMENTS

All “FH” headsets have adjustable headbands with slide

mechanisms located at each side above the ear domes.

Adjust for a comfortable fit. If the adjustment slides be-

come loose, gently tighten the self-locking hex nuts. All

“UH” (Under-the-Helmet) headsets have an adjustable

velcro head strap. Adjust either type of headset to posi-

tion the liquid-filled ear seals for best noise reduction and

comfort. Washable cloth covers are provided to absorb

moisture. Replacement covers are available from Fire-

com.

Radio TRadio T

Radio Transmit Headset:ransmit Headset:

ransmit Headset:ransmit Headset:

ransmit Headset: This headset receives both

intercom and radio communications at all times. It is

also hands-free, voice-activated to the intercom. When

you wish to transmit over the radio, simply depress and

hold the RED RED

RED RED

RED Push-To-Talk (PTT) button. This headset

is typically located at the Driver, Officer, and Pump Panel

positions.

HEADSETSHEADSETS

HEADSETS

The FIRECO system offers two types of headsets:

Radio Transmit Headset and Jumpseat Headset. Refer

to photos on page 1. Other optional headsets may also

be supplied.

All headsets must be plugged into a Headset odule for

operation.

3000B

A mic muff on each headset microphone is provided to

help reduce wind noise.

Each headset has two plugs of different size which cor-

respond to the appropriate connectors on the Headset

odule.

HEADSET VOLUMEHEADSET VOLUME

HEADSET VOLUME

Preset each headset volume to the highest setting (full

clockwise). Set the radio volume to a level above the

normal comfortable listening level but at a level which

does not cause distortion. Reset the individual headset

volume for best listening level.

NTERCOM 3000BNTERCOM 3000B

NTERCOM 3000B

Volume: This is a master intercom volume control to all

headsets on the system. Adjust it to match the radio

volume adjusted above.

Squelch: This control is adjusted from the Driver or Of-

ficer position, while wearing a Radio Transmit Headset.

Adjust it with the apparatus engine running, so that “nor-

mal” background noise is present. Start with this control

fully clockwise; then slowly rotate counterclockwise until

the background noise is no longer heard. Do not set this

control any further than necessary. Once set correctly,

additional adjustment should not be required.

NOTENOTE

NOTE

These controls do not affect the radio

squelch control setting.

D G TD G T

D G TALAL

ALAL

AL MESSAGE RECORDER MESSAGE RECORDER

MESSAGE RECORDER MESSAGE RECORDER

MESSAGE RECORDER (D RT )

To record, set the toggle switch to RECORD, and press

the START button. The red LED confirms you are set to

the recording mode. The yellow LED indicates the D RT

has been started. To make a new recording, switch to

PLAY and back to RECORD, and press the START but-

ton. A new recording replaces any previous one. To

stop recording before the 32 second time limit is reached,

simply set the toggle switch to PLAY.

1/8"

from mouth

MPORTMPORT

MPORTANT NOTE!ANT NOTE!

ANT NOTE!ANT NOTE!

ANT NOTE!

This is a Noise-cancelling MicrophoneNoise-cancelling Microphone

Noise-cancelling MicrophoneNoise-cancelling Microphone

Noise-cancelling Microphone. It compares

outside noise level to voice level. To operate properly,

it must be positioned at the corner of your mouth and

no more than 1/8 inch from your lips.no more than 1/8 inch from your lips.

no more than 1/8 inch from your lips.

To playback, set the toggle switch to PLAY, and press

the START button. The recording will be replayed each

time you press the START button, as many times as de-

sired. To stop the playback before the message is com-

pleted, set the toggle switch to RECORD and quickly back

to PLAY again. The message will not be erased unless

the START button is pressed while in the RECORD mode.

Disconnecting power will erase the recording.

The D RT may be left idle and ready in either RECORD

or PLAY mode.

The Intercom 3000B radio transmit level has been pre-

set to a nominal level at the factory. In most installations,

satisfactory performance is obtained without having to

re-adjust this level. However, if it is necessary, optimal

RF carrier modulation level may be set by adjusting the

“Transmit Level Adjustment” potentiometer. This control

is located on the interface circuit board of the System

3000B Intercom and can be accessed by removing the

top metal case of the System 3000B Intercom. See in-

terface Circuit Board layout below.

This adjustment should be performed by a qualified ra-

dio technician with access to a suitable RF communica-

tions test set.

Power OnPower On

Power On

1. Turn on the Intercom 3000B at the apparatus mas-

ter switch

2. Confirm that power is applied to the system by plac-

ing the RECORD/PLAY switch to RECORD and

observing that the red LED illuminates.

3. Install a Radio Transmit Headset at the Officer’s or

Driver’s H -1 position.

Adjust headset(s)Adjust headset(s)

Adjust headset(s)

4. Adjust the headset headband for a comfortable fit.

Intercom 3000A

Internal Circuit Board

Transmit Level Adjust

Intercom 3000B Interface Circuit Board Layout

SYSTEM SETUP & TESTSYSTEM SETUP & TEST

SYSTEM SETUP & TEST

3000B

5. Adjust the microphone boom to place the micro-

phone at the corner of your mouth and approximately

1/8” from your lips.

6. Speak into the microphone to confirm intercom op-

eration. You should hear yourself through the head-

set.

Adjust VAdjust V

Adjust Volumeolume

olumeolume

olume

7. Preset the headset volume and the Intercom Unit

squelch controls fully clockwise.

8. Adjust intercom volume for a comfortable listening

level.

9. Test radio communications by pressing the Push-

To-Talk button on your headset and speaking into

the microphone. Adjust your headset volume con-

trol for best listening volume while monitoring radio

traffic.

Test Digital Message Recorderest Digital Message Recorder

est Digital Message Recorderest Digital Message Recorder

est Digital Message Recorder

10. With the RECORD/PLAY switch in RECORD (red

LED on), press the START button (yellow LED on)

and speak into the microphone. Stop the recording

by placing the RECORD/PLAY switch to PLAY. Press

the START button and listen for a recording of what

you just said/

Repeat at Other StationsRepeat at Other Stations

Repeat at Other Stations

11. Check the intercom and radio functions at each In-

tercom/Transmit station as above.

12. Connect a Jumpseat Headset at an intercom only

station.

13. Adjust the headset for a comfortable fit and micro-

phone position.

14. Press the Push-To-Talk button and verify intercom

operation by listening to your own voice.

15. Test the intercom function at each intercom only sta-

tion.

System Dynamic TSystem Dynamic T

System Dynamic Testest

estest

est

16. Start the apparatus engine.

17. At an Intercom/Transmit station, located close to the

Intercom Unit, check the operation of the intercom

and radio functions.

NOTENOTE

NOTE

If static or noise is present on the circuit, it may be due

to improper grounding.

(See the Technical Data section)

18. With the radio volume adjusted to the desired level,

adjust your headset volume for best listening level.

19. Adjust the intercom Volume for best level in the in-

tercom mode while speaking into the microphone.

TROUBLESHOOT NGTROUBLESHOOT NG

TROUBLESHOOT NG

20. Adjust the intercom Squelch Control counterclock-

wise just until the engine noise cannot be heard. Do

not over-adjust, or you may not be able to hear the

normal intercom traffic.

Final adjustment of these controls will be required under

actual apparatus operating conditions.

f Unit Doesn’t Wf Unit Doesn’t W

f Unit Doesn’t Work as Expected:ork as Expected:

ork as Expected:ork as Expected:

ork as Expected:

√√

√Check that apparatus master switch is on.

√√

√Check fuse or circuit breaker

√√

√Check system wiring and interconnections

√√

√Check that the headphones are plugged in all the

way

√√

√Check intercom and headset control settings

√√

√Check for corrosion on headset plugs

√√

√Check that the headsets are plugged into the cor-

rect headset modules. A Radio Transmit Head-

set must be plugged into an Intercom/Transmit

headset location in order to transmit. A Jumpseat

Headset will not transmit under any circumstances

and is designed to be plugged into an Intercom

Only location.

Excessive Static or Noise:Excessive Static or Noise:

Excessive Static or Noise:

→→

→See the section on Technical Data.

TROUBLESHOOT NG?TROUBLESHOOT NG?

TROUBLESHOOT NG?

If you have a problem or just a question,

call our Technical Support Staff

1-800/527-05551-800/527-0555

1-800/527-0555

3000B

TECHN CALTECHN CAL

TECHN CAL DA DA

DA DA

DATT

TAA

NSTNST

NSTALLAALLA

ALLAALLA

ALLAT ON REQU REMENTS:T ON REQU REMENTS:

T ON REQU REMENTS:T ON REQU REMENTS:

T ON REQU REMENTS:

The FIRECO System uses only seven wires for total apparatus/radio connection. The signals required are: ic HI,

Spkr HI, Spkr LO, Radio PTT, Radio PTT Ref, Power, and GND. These signals provide easy connection to a wide variety

of apparatus radios whose input and output circuits are referenced to ground (or other system reference via A-). See

Functional Block Diagram belo .

Connector Pin # Wire Color System Function System Connection

10 Orange Radio PTT Ref. Connect to radio PTT Ref

8 Black Transmitter Key Connect to radio PTT input

17 White Transmit Audio Connect to radio ic HI

21 Green Receive Audio Connect to Radio Speaker HI

13 Blue Receive Audio Connect to Radio Speaker LO

20 Red Power Supply Connect to switched and fused +12V to + 24VDC

Use 1/2 amp fast blow fuse (See System Specifications)

1 Red/Black System GND Connect this wire to DC Negative voltage

11 White/Black TX Audio Low Connect to radio mic low

Connector Shiled Shield Connect to chassis ground if the intercom is not

Shell directly mounted to the chassis. . . otherwise no

connection is needed

Wires & Connections ires & Connections

ires & Connections ires & Connections

ires & Connections Are dentified Are dentified

Are dentified Are dentified

Are dentified As Follows:As Follows:

As Follows:As Follows:

As Follows:

Functional Block Diagram: Intercom 3000B

PTT

Squelch Volume

TX Audio

Adjust

PTT1

A+

A-

HEADSET PTT

PTT REF (10)

PTT TO RADIO (8)

TX HEADSET IC

TX AUDIO HI (17)

TX AUDIO LO (11)

(1) SIGNAL GROUND

(20) 12-24 VDC

HEADSET AUDIO

(21) SPEAKER HI

(FRO RADIO)

(13) SPEAKER LO

(FRO RADIO)

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